Model GD320N Atomic Absorption Spectrophotometer Making the characteristic concentration of As, Se, Sb, Bi, Pb, Sn, Te, Ge, In, Model GD320N ... -corrosive atomization system: The burner is made of new type titanium alloys, anti-corrosive and fast thermal equilibrium ... than 30 times.Standby Interface: RS 232 Instrument power supply: 220V, 3A, 50HzAccessoryMain accessories supplied with the instrument: ...